E07j — Catalan: Closed, 6…Nbd7 7.b3

1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Be7 5.Nf3 O-O 6.O-O Nbd7 7.b3 c6 8.Bb2 * ● Trait aux Noirs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plan principal. Exploiter la case forte e5.

Atouts. Les Blancs s'appuient sur la case forte e5 et la paire de fous.

Côté adverse. Le fou enfermé en c8.

En contrepartie. Plusieurs pièces dorment encore (le cavalier b1 et la tour a1).

Plans. Nc3 (Développer Nb1) ; h3 (Empêcher ...Bg4).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plan principal. Exploiter la case forte e4.

Atouts. Les Noirs s'appuient sur la case forte e4, un fou actif en e7 et la paire de fous.

Côté adverse. Le fou enfermé en g2.

En contrepartie. Plusieurs pièces dorment encore (le fou c8 et la tour a8).

Plans. ...c5 (Rupture) ; ...e5 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● a2→b3, f2→g3, h2→g3, b3→c4	● c6→d5, e6→d5, b7→c6, f7→e6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● e5 (2v1)	● e4 (2v0)
Cases faibles	—	—
Centre	● d4 (3v0), ● e5 (2v1)	● d5 (3v1), ● e4 (2v0)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bb2	● Bb2 Ok (mob. 3)
Bg2	● Bg2 Enfermé (mob. 2)
Be7		● Be7 Actif (mob. 4)
Bc8		● Bc8 Non développé (mob. 0)
Paire de fous	● Oui	● Oui
Non développées	2 (● b1, ● a1)	2 (● c8, ● a8)

Sécurité du roi

	♔ Blancs	♚ Noirs
Statut	● Roqué	● Roqué
Droits de roque	—	—

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	fermé
Ruptures	● c4-c5	● …c6-c5, ● …e6-e5

Partie
1925 Leningrad – Round 1 – Reti, Richard – 0-1 – Romanovsky, Pjotr – G21 1. Nf3 Nf6 2. c4 e6 3. g3 Be7 4. Bg2 O-O 5. O-O d5 6. d4 Nbd7 7. b3 c6 8. Bb2 Ne4 9. Nbd2 f5 10. Ne5 Nxe5
1927 DSB-25.Kongress – Round 1 – Bogoljubow, Efim – 1-0 – Hilse, Wilhelm H – G5 1. Nf3 d5 2. c4 e6 3. g3 Nf6 4. Bg2 Be7 5. O-O Nbd7 6. b3 O-O 7. Bb2 c6 8. d4 b6 9. Nc3 Bb7 10. Qc2 Rc8
1933 Budapest – Round ? – Eliskases, Erich – 1-0 – Sterk, Karoly – G17 1. Nf3 d5 2. c4 e6 3. g3 Nf6 4. Bg2 Be7 5. O-O O-O 6. b3 Nbd7 7. Bb2 c6 8. d4 Kh8 9. Nbd2 Ng8 10. e4 dxe4
1935 GER-SWE m – Round 5 – Carls, Carl – 0-1 – Larsson, Ernst – G11 1. c4 e6 2. g3 d5 3. Nf3 Nf6 4. Bg2 Be7 5. O-O O-O 6. d4 c6 7. b3 Nbd7 8. Bb2 Ne4 9. Nc3 f5 10. e3 b6
1938 USA Ch – Round 2 – Polland David – 1-0 – Kupchik, Abraham – G9 1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. Nf3 c6 5. b3 Be7 6. O-O O-O 7. Bb2 Nbd7 8. d4 b6 9. Nc3 Ba6 10. Nd2 Rc8
1945 Moskou ch-URS – Round 1 – Chekhover, Vitaly – 1/2-1/2 – Bondarevsky, Igor – G6 1. c4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 Be7 5. O-O O-O 6. d4 Nbd7 7. b3 c6 8. Bb2 b6 9. Nbd2 Bb7 10. cxd5 cxd5
1948 Moskou ch-URS – Round 1 – Keres Paul Petrovich – 1-0 – Ragozin, Viacheslav – G1 1. c4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 Be7 5. O-O O-O 6. d4 c6 7. b3 Nbd7 8. Bb2 b6 9. Nbd2 Bb7 10. Rc1 Rc8
1948 URS-ch16 – Round 16 – Keres, Paul – 0-1 – Ragozin, Viacheslav – G14 1. d4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 Be7 5. O-O O-O 6. c4 c6 7. b3 Nbd7 8. Bb2 b6 9. Nbd2 Bb7 10. Rc1 Rc8
1949 HUN-NLD – Round ? – Bakonyi, Elek – 1-0 – Henneberke, Frans – G1 1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. Nf3 Nbd7 5. b3 c6 6. O-O Be7 7. Bb2 O-O 8. d4 Ne4 9. Nfd2 f5 10. Nxe4 dxe4
1949 Trencianske Teplice – Round 6 – Richter, Edgar – 0-1 – Rohacek, Ivan – G36 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 c6 5. b3 Nbd7 6. O-O Be7 7. Bb2 O-O 8. d4 b6 9. Ne5 Nxe5 10. dxe5 Nd7
1950 Amsterdam ch-NED – Round 11 – Cortlever, Nico – 1-0 – Orbaan, Constant – G47 1. Nf3 Nf6 2. g3 d5 3. Bg2 e6 4. O-O Be7 5. b3 O-O 6. Bb2 Nbd7 7. c4 c6 8. d4 Qb6 9. Nbd2 Rd8 10. Qc2 Bf8
1951 YUG Ch 7th – Round 14 – Fuderer, Andrija – 1/2-1/2 – Germek, Milan – G114 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Be7 5. Bg2 O-O 6. O-O Nbd7 7. b3 c6 8. Bb2 b6 9. Nc3 Bb7 10. Qc2 Rc8
1952 URS ch sf – Round 9 – Koblencs, Alexander – 1/2-1/2 – Nikitin, Aleksander S – G54 1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. d4 Be7 5. Nf3 O-O 6. O-O c6 7. b3 Nbd7 8. Bb2 b5 9. c5 b4 10. a3 bxa3
1953 Candidats Tournament – Round 22 – Keres, Paul Petrovich – 1/2-1/2 – Kotov, Alexander A – G144 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. O-O c6 7. b3 Nbd7 8. Bb2 b6 9. Nbd2 Bb7 10. Rc1 Rc8
1953 CSR Ch – Round 4.7 – Filip, Miroslav – 1/2-1/2 – Podgorny, Jiri – G3 1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 Be7 5. O-O O-O 6. d4 c6 7. b3 Nbd7 8. Bb2 b6 9. Nbd2 Bb7 10. Rc1 Rc8
1956 Hoogovens – Round 9 – Kramer, Hanspeter – 1/2-1/2 – Orbaan, Constant – G36 1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. Nf3 Be7 5. O-O O-O 6. b3 c6 7. Bb2 Nbd7 8. d4 b6 9. Nbd2 Bb7 10. e3 Rc8
1956 Moscow olm fin-A – Round 1 – Panno, Oscar – 1/2-1/2 – Ivkov, Borislav – G2 1. Nf3 d5 2. c4 e6 3. g3 Nf6 4. Bg2 Be7 5. O-O O-O 6. d4 c6 7. b3 Nbd7 8. Bb2 b6 9. Nc3 Ba6 10. Nd2 Rc8
1956 Olympiad, Moscow RUS – Round 4 – Smyslov, Vladimir – 1-0 – Sliwa, Bogdan – G10 1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. Nf3 Be7 5. O-O O-O 6. d4 c6 7. b3 Nbd7 8. Bb2 b6 9. Nbd2 Bb7 10. e3 Rc8
1956 URS Ch sf – Round ? – Ragozin, Viacheslav – 1-0 – Neishtadt, Yakov – G138 1. Nf3 Nf6 2. g3 e6 3. c4 d5 4. Bg2 Be7 5. O-O O-O 6. d4 c6 7. b3 Nbd7 8. Bb2 b6 9. Nc3 Bb7 10. e3 Rc8
1957 Leningrad Ch – Round 19 – Taimanov, Mark E – 1/2-1/2 – Estrin, Yakov – G140 1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 Nbd7 5. b3 Be7 6. O-O O-O 7. Bb2 c6 8. d4 b6 9. Nbd2 Bb7 10. e3 Rc8
1957 Wenen etc – Round 1 – Heinicke, Herbert – 1/2-1/2 – Karaklajic, Nikola – G4 1. c4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 c6 5. b3 Nbd7 6. Bb2 Be7 7. O-O O-O 8. d4 b6 9. Nc3 Bb7 10. Ne5 Rc8
1959 CSR Ch – Round 15 – Pachman, Ludek – 1/2-1/2 – Blatny, Frantisek – G117 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 c6 5. Nf3 Be7 6. O-O O-O 7. b3 Nbd7 8. Bb2 b6 9. e3 Ba6 10. Qe2 Rc8
1959 Krakow – Round 5 – Kozma, Julius – 0-1 – Sliwa, Bogdan – G18 1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 Be7 5. O-O O-O 6. d4 c6 7. b3 Nbd7 8. Bb2 b6 9. e3 Bb7 10. Nbd2 a5
1959 URS-ch26 – Round 5 – Gurgenidze, Bukhuti – 1/2-1/2 – Nikitin, Aleksander S – G5 1. c4 e6 2. Nf3 Nf6 3. g3 d5 4. Bg2 Be7 5. O-O O-O 6. d4 c6 7. b3 Nbd7 8. Bb2 b6 9. Nbd2 Ba6 10. Rc1 Rc8
1960 It Bad Salzungen GER – Round 1 – Lengyel, Levente – 1-0 – Bertholdt, Dieter – G4 1. Nf3 Nf6 2. g3 e6 3. Bg2 d5 4. O-O Be7 5. c4 O-O 6. d4 c6 7. b3 Nbd7 8. Bb2 b5 9. Ne5 Qb6 10. c5 Qc7
1960 UKR Ch – Round 7 – Levitsky, Anatoly – 1-0 – Kostiuchenko, Alexander – G38 1. c4 e6 2. g3 Nf6 3. Bg2 d5 4. Nf3 c6 5. b3 Nbd7 6. O-O Be7 7. Bb2 O-O 8. d4 Ne4 9. Ne1 f5 10. f3 Nef6
1961 Mar del Plata KIM – Round 1 – Goldenberg, Edgardo – 1-0 – Acabezon Serra, Keltoi – G2 1. c4 c6 2. Nf3 Nf6 3. g3 d5 4. b3 e6 5. Bg2 Be7 6. O-O O-O 7. Bb2 Nbd7 8. d4 b6 9. Nc3 Ba6 10. Nd2 Rc8
1961 Oberhausen etc – Round 1 – Filip, Marius Liviu – 1/2-1/2 – Trifunovic, Petar – G2 1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 Be7 5. O-O O-O 6. d4 c6 7. b3 Nbd7 8. Bb2 b6 9. Nbd2 Bb7 10. Rc1 Rc8
1961 Oberhausen etc – Round 2 – Filip, Marius Liviu – 0-1 – Darga, Klaus – G59 1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. Nf3 Be7 5. O-O O-O 6. d4 c6 7. b3 Nbd7 8. Bb2 a5 9. Nc3 b6 10. Rc1 Ba6
1961 ROM Ch – Round 8 – Soos, Bela – 0-1 – Radulescu, Mihai – G48 1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. Nf3 Be7 5. O-O Nbd7 6. b3 O-O 7. d4 c6 8. Bb2 b6 9. Nbd2 Bb7 10. e3 Rc8
1961 Rostov on Don – Round 3 – Bobekov, Radko – 1/2-1/2 – Liebert, Heinz – G7 1. Nf3 e6 2. g3 Nf6 3. Bg2 Be7 4. O-O O-O 5. c4 c6 6. b3 d5 7. Bb2 Nbd7 8. d4 b6 9. Nc3 Bb7 10. Rc1 Rc8
1964 Capablanca Memorial – Round 3 – Udovcic, Mijo – 1/2-1/2 – Acevedo Ortega, Rodrigo Andres – G39 1. Nf3 d5 2. d4 Nf6 3. g3 Nbd7 4. Bg2 e6 5. O-O Be7 6. c4 O-O 7. b3 c6 8. Bb2 Ne4 9. Nbd2 f5 10. e3 Rf6
1964 WchT U26 11. fin-A – Round 10.2 – Kavalek, Lubomir – 1-0 – Neukirch, Detlef – G173 1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. Nf3 Be7 5. O-O O-O 6. b3 Nbd7 7. Bb2 c6 8. d4 b6 9. Nbd2 Bb7 10. Rc1 Rc8
1966 Zinnowitz Zinnowitz GER – Round 4 – Gromek, Jozef – 1-0 – Hennings, Artur – G10 1. c4 e6 2. Nf3 Nf6 3. g3 d5 4. Bg2 Be7 5. O-O O-O 6. b3 Nbd7 7. Bb2 c6 8. d4 b6 9. Nbd2 Bb7 10. e3 b5
1967 It II Beverwijk NED – Round 4 – Ujtelky, Maximilian – 1/2-1/2 – Sandor, Bela – G5 1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. Nf3 Be7 5. O-O O-O 6. d4 c6 7. b3 Nbd7 8. Bb2 b5 9. c5 a5 10. Qc2 b4
1968 Manila – Round 11 – Naranja, Renato – 1-0 – Estimo, Nilo – G19 1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Be7 5. O-O O-O 6. d4 c6 7. b3 Nbd7 8. Bb2 Ne4 9. Qc2 f5 10. Ne1 Bd6
1968 Moscow UM – Round ? – Zaitsev, Alexander – 1-0 – Estrin, Yakov – G5 1. c4 e6 2. Nf3 Nf6 3. g3 d5 4. Bg2 Nbd7 5. b3 Be7 6. O-O O-O 7. Bb2 c6 8. d4 b6 9. Nc3 Bb7 10. Qc2 Rc8
1970 IBM – Round 5 – Spassky, Boris V. – 1-0 – Ciric, Dimitrije – G33 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Be7 5. Bg2 O-O 6. O-O c6 7. b3 Nbd7 8. Bb2 b6 9. Nbd2 Bb7 10. Rc1 Rc8

E07j — Closed

1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Be7 5.Nf3 O-O 6.O-O Nbd7 7.b3 c6 8.Bb2

Eval: [+0.29]

Les coups candidats

8…b6 — 55.0% (703 parties)

Ambassadeurs : Kunsztowicz, Uwe (4x), Ragozin, Viacheslav (3x), Amigo Roman, Pedro (3x), Yagiz, Yasin Emrah (3x), Burnett, Jim (3x), Estrin, Yakov (2x), Sliwa, Bogdan (2x), Kramer, Hanspeter (2x)

8…Ne4 — 19.7% (252 parties)

Ambassadeurs : Beaudry, Marc-Andre (2x), Hever, Miklos (2x), Orso, Janos (2x), Carls, Carl (1x), Larsson, Ernst (1x), Bakonyi, Elek (1x), Henneberke, Frans (1x), Meynecke (1x)

8…Re8 — 7.7% (98 parties)

Ambassadeurs : Weyerstrass, Ronald (1x), De Wit, Wim (1x), Loftus, Sean (1x), Zipko, Gerhard (1x), Gereben, Erno (1x), Poorbeik, M (1x), Sekulic, Dusan (1x), Chaleyrat, Robert (1x)

8…b5 — 4.6% (59 parties)

Ambassadeurs : Roeber, Bjoern (2x), Nogues Acuna, Alejandro (1x), Grau, Roberto G (1x), Koblencs, Alexander (1x), Nikitin, Aleksander S (1x), Ujtelky, Maximilian (1x), Sandor, Bela (1x), Szilagyi, Gyorgy Laszlo (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	8…b6	8…Ne4	8…Re8	8…b5
<1800	66	44%	15%	15%	—
1800-2200	620	51%	23%	8%	3%
2200-2600	323	71%	14%	2%	8%
2600+	2	50%	—	—	50%

Évolution par décennie (% des parties)

Décennie	N parties	8…b6	8…Ne4	8…Re8	8…b5
1920s	3	33%	33%	—	33%
1930s	4	25%	50%	—	—
1940s	9	56%	33%	—	—
1950s	26	73%	8%	—	12%
1960s	21	62%	19%	—	10%
1970s	37	73%	5%	5%	11%
1980s	55	64%	15%	11%	2%
1990s	195	47%	21%	12%	7%
2000s	338	50%	21%	7%	4%
2010s	499	56%	21%	8%	3%
2020s	92	67%	15%	4%	7%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
8…b6	56%	67%	▲ +11.5%
8…Ne4	21%	15%	▼ -5.6%
8…Re8	8%	4%	▼ -3.3%
8…b5	3%	7%	▲ +3.5%

Joueurs célèbres

Champions du monde dans cette position

Smyslov, Vladimir — 1 partie
Ju, Wenjun — 1 partie
Kramnik, Vladimir — 1 partie

Parties historiques

8…b6 — 55.0% (703 parties)

1927 — Bogoljubow, Efim vs Hilse, Wilhelm H — 1-0 — Magdeburg GER
1938 — Polland David vs Kupchik, Abraham — 1-0 — New York, NY USA
1945 — Chekhover, Vitaly vs Bondarevsky, Igor — 1/2-1/2 — Moskou ch-URS
1945 — Konstantinopolsky, Alexander vs er-Fridstein, Grigor — 1/2-1/2 — Moscow ch
1948 — Keres Paul Petrovich vs Ragozin, Viacheslav — 1-0 — Moskou ch-URS

8…Ne4 — 19.7% (252 parties)

1925 — Reti, Richard vs Romanovsky, Pjotr — 0-1 — Leningrad RUS
1935 — Carls, Carl vs Larsson, Ernst — 0-1 — Sopot
1938 — Kranki, Hans vs Nowarra, Heinz — 0-1 — Bad Oeynhausen GER
1945 — Popovic, Vojislav vs Fajer Abdallah Mohamad — 1-0 — Novi Sad SRB
1946 — Meynecke vs Lehmann Garcia, Daniel William — 1/2-1/2 — Bad Harzburg

8…Re8 — 7.7% (98 parties)

1974 — Harestad, Thor Geir vs Takemoto, Hiroshi — 1/2-1/2 — Teesside ENG
1979 — Sekulic, Dusan vs Chaleyrat, Robert — 1-0 — Biel SUI
1982 — Chilingirova, Pavlina vs Inbar A — 1-0 — Lucerne SUI
1985 — Kropff, Ricardo vs Ramirez Vasquez, Denisse — 1-0 — Asuncion PAR
1986 — Gereben, Erno vs Poorbeik, M — 1-0 — Thun SM

8…b5 — 4.6% (59 parties)

1926 — Nogues Acuna, Alejandro vs Grau, Roberto G — 0-1 — Buenos Aires ch-Circ
1952 — Koblencs, Alexander vs Nikitin, Aleksander S — 1/2-1/2 — Riga LAT
1953 — Szilagyi, Gyorgy Laszlo vs Berger, Bela — 1/2-1/2 — Budapest HUN
1958 — Bilek, Istvan vs Szily — 1/2-1/2 — CsB
1960 — Lengyel, Levente vs Bertholdt, Dieter — 1-0 — It Bad Salzungen GER

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